IBM Power Linux Features and Supported commands

RHEL Power Linux Features and Commands

RHEL IBM POWER LINUX

Features for Open Power Linux (RHEL Power Linux) :

  • Nowadays IBM Power system hardware’s supporting Red Hat Enterprise Linux operating systems using IBM POWER8 processors .
  • We can easily install and configure Rhel 7.1 Little Endian and later edition on IBM Power8 Hardware’s.
  • currently supported only KVM guest Feature’s under Red Hat Enteprise Virtualization for Power systems.
  • Supported architecture code is ppc64le and kernel type is 64 bit kernel.
  • Packages available as per examples : gcc-4.8.3-9.ael7b.ppc64le.rpm.

 

Features for Power8 Processor & Systems :

  • Power8 has the best Memory & High Bandwidth of processors,
  • I/O buses having enhanced more Bandwidth & Lower Latency.
  • Each processor having more threads(SMT enabled features).
  • For example singe core generating 8 threads
  • Faster & Best Real time Results for Analysing applications, Parallel accessing, Big data processing , Spectrum scale, etc..,
  • New Design of Power8 included RACK Mount smaller box for scalable environment.
  • Low cost Economic features Power8 systems & Power8 Processors.
  • Mainly it’s designed for Core business Analytic applications & Big data processing.

 

DescriptionsRedhat power linux commands
To view default boot list# bootlist -m normal -o
To find out VHOST adapter details# systool -c scsi_host -v| grep -i vhost
To find out all scsi device details# systool -c scsi_host -v
To find out FC adapter WWPN number & Locations# systool -c fc_host -v | grep -i port_name
To find out all FC device details# systool -c fc_host -v
To get ethernet adapter UUID# nmcli con
To view network routing informations# netstat -nr
To List out virtual SCSI Adapters# lsvio -s
To List out virtual Ethernet Adapters# lsvio -e
To List virtual SCSI devices and associated adapters# lsvio -d
To list out pci slot details# lsslots
To list out size of the scsi device informations # lsscsi -s
To find out Parent devicess# lsscsi -Ht
To lsit out scsi device major & minor number # lsscsi -d
lists information about SCSI devices# lsscsi
To find out virtual disk location# lsdevinfo | grep -i physloc
To get the Virtul & logical CPU informations# lscpu
# cat /proc/cpuinfo | grep -I processor
To find out FC adapter Name# lscfg | grep -i fc
Information on Virtual SCSI adapters and devices# ls-vdev
To get the LPAR details# lparstat -i
To findout storage LUNs details# fdisk -l | grep -i mpath
For Scanning New Hardware# echo "- - -">/sys/class/scsi_host/
# echo "- - -">/sys/class/scsi_host/host0/scan
# echo "- - -">/sys/class/scsi_host/host1/scan
# echo "- - -">/sys/class/scsi_host/host2/scan
# echo "- - -">/sys/class/scsi_host/host3/scan
# echo "- - -">/sys/class/scsi_host/host4/scan
To get memory details# cat /proc/meminfo | grep -i Mem
To set Permanent boot lsit # bootlist -m normal -o sda eth1
To view boot list order# bootlist -m normal -o -r

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